diff options
Diffstat (limited to 'gdb/ser-base.c')
| -rw-r--r-- | gdb/ser-base.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/gdb/ser-base.c b/gdb/ser-base.c index fb6f4e0..84ca8c6 100644 --- a/gdb/ser-base.c +++ b/gdb/ser-base.c @@ -43,17 +43,18 @@ static handler_func fd_event; /* Value of scb->async_state: */ enum { - /* >= 0 (TIMER_SCHEDULED) */ - /* The ID of the currently scheduled timer event. This state is - rarely encountered. Timer events are one-off so as soon as the - event is delivered the state is changed to NOTHING_SCHEDULED. */ - FD_SCHEDULED = -1, + /* When >= 0, this contains the ID of the currently scheduled timer event. + This state is rarely encountered. Timer events are one-off so as soon as + the event is delivered the state is changed to NOTHING_SCHEDULED. */ + /* The fd_event() handler is scheduled. It is called when ever the file descriptor becomes ready. */ - NOTHING_SCHEDULED = -2 + FD_SCHEDULED = -1, + /* Either no task is scheduled (just going into ASYNC mode) or a timer event has just gone off and the current state has been forced into nothing scheduled. */ + NOTHING_SCHEDULED = -2 }; /* Identify and schedule the next ASYNC task based on scb->async_state |